Seiko Cal. 3831 - 560

Released in 1991, the Cal. 3831 with design code 560 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-276fe9722be5]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1991

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