Seiko Cal. 3820 - 174

The Seiko 3820-174 represents an important milestone in Seiko's 1974 lineup. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-7d12e5b94576]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1974

Related Models

• Seiko 7039-418
• Seiko 6140-484
• Seiko 5260-527
• Seiko 7041-253
• Seiko 7197-318
• Seiko 6236-194
• Seiko 7072-859
• Seiko 6657-817
• Seiko 3874-235
• Seiko 4537-317
• Seiko 7035-422
• Seiko 6169-309