Seiko Cal. 4437 - 768

The Seiko 4437-768 represents an important milestone in Seiko's 1970 lineup. Powered by the 4437 caliber with 36j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-090bca6a5079]

Also known as: World Timer, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1970

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