Seiko Cal. 6388 - 748

Seiko 6388-748

The 6388-748 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6388 caliber with 26j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-281ee91442ac]

Also known as: Monster, Helmet

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Champagne
Jewels
26j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1969

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seikata-wm-281ee91442ac