Seiko Cal. 4581 - 312

This Hand-Winding model from 1983 features a 45mm Two-Tone case. It features a Champagne dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-49d85035fd14]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1983

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