Seiko Cal. 0712 - 438

Released in 1974, the Cal. 0712 with design code 438 was part of Seiko's domestic market collection. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9ad5498400ee]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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