Seiko Cal. 6388 - 745

The Seiko 6388-745 represents an important milestone in Seiko's 1985 lineup. Powered by the 6388 caliber with 20j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-d182eed05e3e]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1985

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