Seiko Cal. 6388 - 904

The 6388-904 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6388 caliber with 22j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-5fdbad2916f6]

Also known as: Samurai, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1988

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