Seiko Cal. 6627 - 445

The 6627-445 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6627 caliber with 33j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f7fb03dd67e3]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1981

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