Seiko Cal. 7144 - 731

This Automatic model from 1978 features a 46mm Two-Tone case. Powered by the 7144 caliber with 26j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-4b2b259cb384]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

Related Models

• Seiko 6695-418
• Seiko 7039-124
• Seiko 4530-665
• Seiko 4434-363
• Seiko 6312-452
• Seiko 6679-888
• Seiko 5618-148
• Seiko 7079-778
• Seiko 6679-432
• Seiko 6272-112
• Seiko 6638-881
• Seiko 5618-353