Seiko Cal. 4538 - 673

The Seiko 4538-673 represents an important milestone in Seiko's 1965 lineup. Powered by the 4538 caliber with 35j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-4bdc5152231a]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1965

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