Seiko Cal. 4437 - 250

This Automatic model from 1966 features a 34mm Gold-Plated case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c1c9098ae8dd]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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