Seiko Cal. 6337 - 537

This Spring Drive model from 1970 features a 36mm Titanium case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-9992c26e29cb]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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