Seiko Cal. 3873 - 999

This Automatic model from 1970 features a 45mm Titanium case. Powered by the 3873 caliber with 33j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-209942a5456b]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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