Seiko Cal. 6683 - 166

This Solar model from 1976 features a 36mm PVD Black case. Powered by the 6683 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-a41acf509f03]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1976

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