Seiko Cal. 6138 - 923

This Hand-Winding model from 1968 features a 40mm Two-Tone case. With its 19mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-142caa1ccb3f]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1968

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