Seiko Cal. 4528 - 135

This Hand-Winding model from 1983 features a 39mm Titanium case. It features a Burgundy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-59f3709f2385]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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