Seiko Cal. 3889 - 672

Seiko 3889-672

The 3889-672 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3889 caliber with 22j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-03d71ee30be3]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
42mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Cream
Jewels
22j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1967

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