Seiko Cal. 5646 - 927

The 5646-927 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5646 caliber with 20j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-1ad8af00c60a]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

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