Seiko Cal. 3821 - 392

The Seiko 3821-392 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-e2ae1d53be4d]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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