Seiko Cal. 7161 - 146

This Spring Drive model from 1990 features a 46mm Titanium case. Powered by the 7161 caliber with 31j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-533e6d05a3be]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1990

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