Seiko Cal. 7142 - 746

Released in 1966, the Cal. 7142 with design code 746 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-597dac4e0ca8]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1966

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