Seiko Cal. 6187 - 513

This Solar model from 1980 features a 40mm Two-Tone case. Powered by the 6187 caliber with 21j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-186296a2ebae]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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