Seiko Cal. 7181 - 746

The Seiko 7181-746 represents an important milestone in Seiko's 1989 lineup. Powered by the 7181 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-27619a31cc4d]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1989

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