Seiko Cal. 6311 - 763

The 6311-763 is a sought-after Solar piece from Seiko's golden era. Powered by the 6311 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-b16141c722f7]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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