Seiko Cal. 4437 - 475

The Seiko 4437-475 represents an important milestone in Seiko's 1967 lineup. Powered by the 4437 caliber with 30j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-9ed868622c39]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

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