Seiko Cal. 4522 - 448

The Seiko 4522-448 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-c0b6e3304659]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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