Seiko Cal. 4551 - 610

This Hand-Winding model from 1986 features a 40mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-50167a000898]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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