Seiko Cal. 0721 - 268

The 0721-268 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0721 caliber with 23j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-db7e4677a182]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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