Seiko Cal. 4445 - 905

The 4445-905 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4445 caliber with 31j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-c38a52221ee4]

Also known as: UFO, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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