Seiko Cal. 3813 - 505

Released in 1967, the Cal. 3813 with design code 505 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-9cd774ec1b0d]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1967

Related Models

• Seiko 7084-614
• Seiko 5639-415
• Seiko 0767-385
• Seiko 5293-930
• Seiko 6196-634
• Seiko 7146-426
• Seiko 5684-522
• Seiko 4478-908
• Seiko 4590-618
• Seiko 6335-999
• Seiko 6199-297
• Seiko 3862-912