Seiko Cal. 6388 - 763

The 6388-763 is a sought-after Solar piece from Seiko's golden era. Powered by the 6388 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-7f3116eb1010]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1991

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