Seiko Cal. 4437 - 905

This Spring Drive model from 1975 features a 39mm Two-Tone case. Powered by the 4437 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-baefdc538730]

Also known as: Pogue, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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