Seiko Cal. 6388 - 417

The 6388-417 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6388 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-c678464ea1fb]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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