Seiko Cal. 4486 - 644

This Spring Drive model from 1986 features a 42mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-0c6972a60c0b]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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