Seiko Cal. 6138 - 425

This Spring Drive model from 1975 features a 44mm Titanium case. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a6542f20b3bb]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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