Seiko Cal. 6699 - 137

The 6699-137 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6699 caliber with 20j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-366615042c2a]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1979

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