Seiko Cal. 0771 - 728

Released in 1982, the Cal. 0771 with design code 728 was part of Seiko's domestic market collection. Powered by the 0771 caliber with 32j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-ec1fb7d05512]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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