Seiko Cal. 6398 - 111

The Seiko 6398-111 represents an important milestone in Seiko's 1977 lineup. Powered by the 6398 caliber with 26j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-672df6ffdf76]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

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