Seiko Cal. 5670 - 440

The 5670-440 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5670 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-12a66feb4753]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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