Seiko Cal. 5231 - 384

This Hand-Winding model from 1985 features a 37mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-84568a2f4938]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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