Seiko Cal. 5671 - 223

The 5671-223 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5671 caliber with 24j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-a8f2bad26057]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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