Seiko Cal. 6137 - 654

This Automatic model from 1975 features a 38mm Two-Tone case. Powered by the 6137 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-4b713a486e91]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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