Seiko Cal. 6690 - 263

The 6690-263 is a sought-after Solar piece from Seiko's golden era. Powered by the 6690 caliber with 29j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-e45f14d81244]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1994

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