Seiko Cal. 3818 - 501

Released in 1966, the Cal. 3818 with design code 501 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-00eeee615ae2]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

Related Models

• Seiko 6125-239
• Seiko 4532-639
• Seiko 7117-107
• Seiko 5654-835
• Seiko 6299-804
• Seiko 0711-763
• Seiko 6651-494
• Seiko 4428-152
• Seiko 6294-730
• Seiko 3811-953
• Seiko 6633-523
• Seiko 6693-710