Seiko Cal. 4412 - 907

The 4412-907 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4412 caliber with 23j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-579cfb151d27]

Also known as: Sumo, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1999

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