Seiko Cal. 3828 - 781

This Automatic model from 1981 features a 36mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-0a29e0facc4b]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1981

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