Seiko Cal. 0771 - 605

The Seiko 0771-605 represents an important milestone in Seiko's 1975 lineup. Powered by the 0771 caliber with 29j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-72b2d30c43fd]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1975

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