Seiko Cal. 3870 - 351

The Seiko 3870-351 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-761d449b4b4c]

Also known as: Pogue, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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