Seiko Cal. 4485 - 418

The Seiko 4485-418 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-cdd65eb60cf5]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1990

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