Seiko Cal. 7166 - 338

The Seiko 7166-338 represents an important milestone in Seiko's 1973 lineup. Powered by the 7166 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-1da19116bdf6]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1973

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