Seiko Cal. 3881 - 670

Seiko 3881-670

The 3881-670 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3881 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-72ef21b18281]

Also known as: Pogue, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1968

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seikata-wm-72ef21b18281