Seiko Cal. 3873 - 709

Seiko 3873-709

The 3873-709 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3873 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-447d166b5252]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
White
Jewels
25j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1979

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seikata-wm-447d166b5252