Seiko Cal. 5284 - 166

The Seiko 5284-166 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-1e6a0ea92478]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1979

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