Seiko Cal. 4446 - 448

Released in 1965, the Cal. 4446 with design code 448 was part of Seiko's domestic market collection. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-895df0cc6d08]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1965

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