Seiko Cal. 5673 - 664

The Seiko 5673-664 represents an important milestone in Seiko's 1981 lineup. Powered by the 5673 caliber with 32j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-9720410286c0]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1981

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