Seiko Cal. 5657 - 833

This Spring Drive model from 1977 features a 43mm Titanium case. With its 18mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-46b69e620df6]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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