Seiko Cal. 6186 - 652

This Spring Drive model from 1987 features a 40mm Two-Tone case. Powered by the 6186 caliber with 25j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-e64f0565f9ac]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1987

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