Seiko Cal. 5610 - 966

The Seiko 5610-966 represents an important milestone in Seiko's 1975 lineup. Powered by the 5610 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-b019b90d1e80]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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