Seiko Cal. 6311 - 375

The 6311-375 is a sought-after Solar piece from Seiko's golden era. Powered by the 6311 caliber with 18j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-d55d5bbc1cb5]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1986

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