Seiko Cal. 6690 - 317

The 6690-317 is a sought-after Solar piece from Seiko's golden era. Powered by the 6690 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-df3905be0012]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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