Seiko Cal. 5273 - 721

This Hand-Winding model from 1988 features a 37mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-a4ff28e22782]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1988

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