Seiko Cal. 7142 - 231

Released in 1970, the Cal. 7142 with design code 231 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-1cef8009f313]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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