Seiko Cal. 6690 - 336

The 6690-336 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6690 caliber with 32j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-a0d7f314580e]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1978

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