Seiko Cal. 6137 - 158

This Spring Drive model from 1974 features a 45mm Titanium case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a85ef9016cc9]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1974

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