Seiko Cal. 4437 - 764

The 4437-764 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4437 caliber with 19j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-ba018c996a45]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1992

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