Seiko Cal. 5657 - 418

This Quartz model from 1977 features a 45mm Titanium case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-8492cdf64495]

Also known as: Samurai, Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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