Seiko Cal. 7166 - 644

The Seiko 7166-644 represents an important milestone in Seiko's 1985 lineup. Powered by the 7166 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-e0c0bee4cf81]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1985

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