Seiko Cal. 3843 - 638

The Seiko 3843-638 represents an important milestone in Seiko's 1972 lineup. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-709129246468]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1972

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