Seiko Cal. 6690 - 229

The Seiko 6690-229 represents an important milestone in Seiko's 1968 lineup. Powered by the 6690 caliber with 32j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-1e2ce04eaca5]

Also known as: Turtle, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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