Seiko Cal. 0725 - 392

Released in 1971, the Cal. 0725 with design code 392 was part of Seiko's domestic market collection. With its 20mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-ce3ec181deb4]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1971

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