Seiko Cal. 0771 - 646

The Seiko 0771-646 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-51be16765dec]

Also known as: Turtle, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1971

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