Seiko Cal. 7131 - 285

This Spring Drive model from 1998 features a 46mm Titanium case. Powered by the 7131 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-b52476702e81]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1998

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