Seiko Cal. 4445 - 443

The 4445-443 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4ef5bc129252]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1969

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