Seiko Cal. 3872 - 313

The Seiko 3872-313 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-354c6fb6c45a]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1976

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