Seiko Cal. 4485 - 681

The Seiko 4485-681 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-4fcfdaa6927f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1981

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