Seiko Cal. 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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