Seiko Cal. 3828 - 683

The Seiko 3828-683 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-8a9778063a54]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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