Seiko Cal. 4591 - 613

This Spring Drive model from 1998 features a 42mm Stainless Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b40fa9d21426]

Also known as: Monster, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1998

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