Seiko Cal. 4440 - 923

This Hand-Winding model from 1987 features a 45mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-824e684a653b]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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