Seiko Cal. 3873 - 999

Seiko 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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seikata-wm-209942a5456b