Seiko Cal. 5657 - 407

This Hand-Winding model from 1983 features a 37mm Two-Tone case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-32948e3060c2]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1983

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