Seiko Cal. 0770 - 339

This Spring Drive model from 1981 features a 38mm Two-Tone case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-92bd7f37cc4d]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1981

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