Seiko Cal. 7148 - 639

Released in 1969, the Cal. 7148 with design code 639 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-c0cef2139bc4]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1969

Related Models

• Seiko 4490-586
• Seiko 6278-372
• Seiko 6174-272
• Seiko 4420-456
• Seiko 7036-438
• Seiko 4431-273
• Seiko 5638-100
• Seiko 3889-126
• Seiko 6239-241
• Seiko 6186-839
• Seiko 0740-669
• Seiko 5291-302