Seiko Cal. 3850 - 978

This Spring Drive model from 1980 features a 45mm Stainless Steel case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-78f701b0ce83]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1980

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