Seiko Cal. 4438 - 751

This Spring Drive model from 1984 features a 34mm Two-Tone case. Powered by the 4438 caliber with 27j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-64144db7261a]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1984

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