Seiko Cal. 6388 - 776

The Seiko 6388-776 represents an important milestone in Seiko's 1966 lineup. Powered by the 6388 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-873aaa283f76]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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