Seiko Cal. 6318 - 250

The Seiko 6318-250 represents an important milestone in Seiko's 1975 lineup. Powered by the 6318 caliber with 36j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-f1bd75845a0b]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1975

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