Seiko Cal. 6381 - 458

This Spring Drive model from 1975 features a 39mm Stainless Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a6c3912a51bb]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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