Seiko Cal. 4551 - 278

This Hand-Winding model from 1994 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-8398cee994dd]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1994

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