Seiko Cal. 4521 - 948

This Hand-Winding model from 1988 features a 36mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-4b531043f7c2]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1988

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