Seiko Cal. 6388 - 763

Seiko 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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