Seiko Cal. 6157 - 724

This Spring Drive model from 1965 features a 41mm PVD Black case. Powered by the 6157 caliber with 28j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-7c7e3491e06f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1965

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