Seiko Cal. 4474 - 507

The Seiko 4474-507 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-3b498774f275]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1977

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