Seiko Cal. 5673 - 953

The 5673-953 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5673 caliber with 35j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-64d43cb10ab3]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1976

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