Seiko Cal. 7075 - 721

Released in 1978, the Cal. 7075 with design code 721 was part of Seiko's domestic market collection. Powered by the 7075 caliber with 32j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-09f57cc577bf]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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