Seiko Cal. 3820 - 122

The Seiko 3820-122 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-c7d7bebebbac]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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