Seiko Cal. 5673 - 445

The 5673-445 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5673 caliber with 23j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-15b96c7b5b48]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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