Seiko Cal. 3820 - 779

The 3820-779 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-303004f9b2dd]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1985

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