Seiko Cal. 6242 - 591

The Seiko 6242-591 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-40cc06bfd9da]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

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