Seiko Cal. 7166 - 246

The Seiko 7166-246 represents an important milestone in Seiko's 1978 lineup. Powered by the 7166 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-e5d693c12fff]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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