Seiko Cal. 6637 - 382

This Spring Drive model from 1997 features a 38mm PVD Black case. It features a Cream dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-f9fcc2c10231]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1997

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