Seiko Cal. 4581 - 358

This Spring Drive model from 1997 features a 37mm Two-Tone case. Powered by the 4581 caliber with 25j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-b5547a7caa07]

Also known as: Samurai, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1997

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