Seiko Cal. 3891 - 798

This Spring Drive model from 1985 features a 45mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-291adefdb17c]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1985

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