Seiko Cal. 6157 - 546

This Hand-Winding model from 1972 features a 41mm Gold-Plated case. Powered by the 6157 caliber with 29j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-6ae1b0ca958d]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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