Seiko Cal. 0742 - 451

The Seiko 0742-451 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-bf3e32ce9fc1]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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