Seiko Cal. 6625 - 721

The 6625-721 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6625 caliber with 34j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-b6df83e1e287]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

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