Seiko Cal. 6691 - 951

The 6691-951 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-af552bf6e9bc]

Also known as: Silverwave, Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1972

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