Seiko Cal. 6629 - 157

This Hand-Winding model from 1971 features a 41mm Titanium case. Powered by the 6629 caliber with 36j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-da893c0c5705]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1971

Related Models

• Seiko 4546-148
• Seiko 7062-229
• Seiko 6187-557
• Seiko 4437-845
• Seiko 6346-502
• Seiko 4536-656
• Seiko 7076-244
• Seiko 0726-733
• Seiko 0730-581
• Seiko 6214-576
• Seiko 6252-483
• Seiko 6372-262