Seiko Cal. 3816 - 783

This Spring Drive model from 1988 features a 41mm Two-Tone case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-809ccd4fbb12]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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