Seiko Cal. 7090 - 631

The 7090-631 is a sought-after Solar piece from Seiko's golden era. Powered by the 7090 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-2d520888bf34]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1998

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