Seiko Cal. 6157 - 369

This Hand-Winding model from 1970 features a 36mm Two-Tone case. Powered by the 6157 caliber with 34j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-29330995e08f]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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