Seiko Cal. 3820 - 846

The Seiko 3820-846 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-77597378898f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1965

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