Seiko Cal. 5291 - 374

This Hand-Winding model from 1991 features a 37mm Two-Tone case. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-870edf6604bd]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1991

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