Seiko Cal. 3899 - 699

This Spring Drive model from 1973 features a 36mm Stainless Steel case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4a4d53ad8aca]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1973

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