Seiko Cal. 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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