Seiko Cal. 4565 - 437

This Spring Drive model from 1997 features a 41mm Stainless Steel case. Powered by the 4565 caliber with 27j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-18545e4ee46b]

Also known as: Turtle, Samurai

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1997

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