Seiko Cal. 3828 - 652

The Seiko 3828-652 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-b57805359006]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

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