Seiko Cal. 5242 - 712

The Seiko 5242-712 represents an important milestone in Seiko's 1970 lineup. Powered by the 5242 caliber with 24j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f1d9dfa279a0]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

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