Seiko Cal. 4492 - 987

This Spring Drive model from 1978 features a 40mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-9005d8fc45e6]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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