Seiko Cal. 6687 - 144

This Solar model from 1969 features a 43mm Gold-Plated case. Powered by the 6687 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-2575ae9b2ffd]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1969

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