Seiko Cal. 5671 - 940

Seiko 5671-940

The 5671-940 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5671 caliber with 33j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-4cb1cfe816c4]

Also known as: Tuna, Bullhead

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
39mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
80m
Dial Color
White
Jewels
33j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1994

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