Seiko Cal. 6388 - 917

The Seiko 6388-917 represents an important milestone in Seiko's 1989 lineup. Powered by the 6388 caliber with 34j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-cc7f24b584fd]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1989

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