Seiko Cal. 6388 - 458

The Seiko 6388-458 represents an important milestone in Seiko's 1977 lineup. Powered by the 6388 caliber with 29j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-a12d7cefc8cc]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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