Seiko Cal. 4438 - 225

This Hand-Winding model from 1973 features a 39mm Titanium case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a9258c4cb828]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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