Seiko Cal. 3880 - 747

This Spring Drive model from 1992 features a 40mm Stainless Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-be1db5641105]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1992

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