Seiko Cal. 0771 - 398

Released in 1970, the Cal. 0771 with design code 398 was part of Seiko's domestic market collection. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5ce4073ed259]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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