Seiko Cal. 4437 - 700

The Seiko 4437-700 represents an important milestone in Seiko's 1976 lineup. Powered by the 4437 caliber with 36j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-07ccaf41dd8c]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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