Seiko Cal. 6173 - 690

The 6173-690 is a sought-after Solar piece from Seiko's golden era. Powered by the 6173 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-74be570a237e]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

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