Seiko Cal. 7183 - 461

The Seiko 7183-461 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-b04e0c49d17c]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1981

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