Seiko Cal. 5638 - 253

This Automatic model from 1976 features a 43mm Titanium case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-cb84ff5bf8c5]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

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