Seiko Cal. 3873 - 476

Seiko 3873-476

This Spring Drive model from 1986 features a 42mm Hardlex-Coated Steel case. Powered by the 3873 caliber with 33j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-8a79b2308c3f]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Navy
Jewels
33j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1986

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