Seiko Cal. 3873 - 816

This Solar model from 1980 features a 38mm Two-Tone case. Powered by the 3873 caliber with 31j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-6aa9a7d3c77f]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1980

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