Seiko Cal. 6691 - 902

The 6691-902 is a sought-after Solar piece from Seiko's golden era. Powered by the 6691 caliber with 19j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-7da087b50175]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1983

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