Seiko Cal. 5242 - 731

The Seiko 5242-731 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-03b7d2cf7d9e]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1990

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