Seiko Cal. 3889 - 937

Seiko 3889-937

The 3889-937 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3889 caliber with 32j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-eb79ff4a7504]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
41mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Navy
Jewels
32j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1968

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