Seiko Cal. 6186 - 975

This Spring Drive model from 1998 features a 40mm Two-Tone case. Powered by the 6186 caliber with 32j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-6bc180443b9a]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1998

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