Seiko Cal. 6242 - 398

The Seiko 6242-398 represents an important milestone in Seiko's 1967 lineup. Powered by the 6242 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-e1b486fa5e7f]

Also known as: Crown, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1967

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