Seiko Cal. 3828 - 527

The Seiko 3828-527 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-90a2253265b4]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

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