Seiko Cal. 3813 - 924

The Seiko 3813-924 represents an important milestone in Seiko's 1983 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-304d6fba4d25]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1983

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