Seiko Cal. 4485 - 548

The Seiko 4485-548 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-e6283a4e438c]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

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