Seiko Cal. 4437 - 256

Released in 1982, the Cal. 4437 with design code 256 was part of Seiko's domestic market collection. Powered by the 4437 caliber with 20j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-f24e9a80ae10]

Also known as: Samurai, Pogue

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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