Seiko Cal. 6699 - 659

This Quartz model from 1972 features a 42mm Hardlex-Coated Steel case. Powered by the 6699 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-711b29530eb3]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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