Seiko Cal. 4445 - 503

This Spring Drive model from 1967 features a 43mm PVD Black case. Powered by the 4445 caliber with 27j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-58589cd4676d]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1967

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