Seiko Cal. 5271 - 251

This Hand-Winding model from 1989 features a 39mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-e7697f156d12]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1989

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