Seiko Cal. 3820 - 855

Released in 1968, the Cal. 3820 with design code 855 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-70173ba38b19]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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