Seiko Cal. 5285 - 728

This Quartz model from 1980 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-3c642f4bffd6]

Also known as: UFO, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1980

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