Seiko Cal. 7138 - 947

Released in 1986, the Cal. 7138 with design code 947 was part of Seiko's domestic market collection. Powered by the 7138 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-4e8693641875]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1986

Related Models

• Seiko 7194-462
• Seiko 7017-793
• Seiko 7150-302
• Seiko 5250-486
• Seiko 0761-731
• Seiko 4591-741
• Seiko 6329-518
• Seiko 6157-786
• Seiko 3810-481
• Seiko 5690-120
• Seiko 7088-865
• Seiko 6384-846