Seiko Cal. 4557 - 530

This Hand-Winding model from 1971 features a 37mm Titanium case. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-b0e1b49e251f]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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