Seiko Cal. 6187 - 309

This Hand-Winding model from 1989 features a 45mm Hardlex-Coated Steel case. Powered by the 6187 caliber with 24j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-ef69275df088]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1989

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