Seiko Cal. 5612 - 631

Released in 1966, the Cal. 5612 with design code 631 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-e5805e40b4fa]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1966

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