Seiko Cal. 0771 - 810

The 0771-810 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0771 caliber with 33j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-258b90f47129]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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