Seiko Cal. 5673 - 928

The 5673-928 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5673 caliber with 27j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-3b8e71bb98e9]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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