Seiko Cal. 0721 - 448

Released in 1991, the Cal. 0721 with design code 448 was part of Seiko's domestic market collection. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-003db8412ab4]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

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