Seiko Cal. 6398 - 788

The Seiko 6398-788 represents an important milestone in Seiko's 1991 lineup. Powered by the 6398 caliber with 29j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-40bf77e35022]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1991

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