Seiko Cal. 4443 - 251

This Spring Drive model from 1985 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-6f93a0028fda]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1985

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