Seiko Cal. 4437 - 613

This Kinetic model from 1991 features a 42mm Hardlex-Coated Steel case. Powered by the 4437 caliber with 31j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-28bc96fbbef2]

Also known as: Samurai, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

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