Seiko Cal. 5657 - 541

This Hand-Winding model from 1967 features a 36mm PVD Black case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-b250ccd1f61e]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

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