Seiko Cal. 3828 - 931

The Seiko 3828-931 represents an important milestone in Seiko's 1969 lineup. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-6629b4bd9231]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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