Seiko Cal. 3813 - 556

The 3813-556 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d7d53398ea0a]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

Related Models

• Seiko 7011-122
• Seiko 7180-894
• Seiko 6161-178
• Seiko 4577-151
• Seiko 7097-599
• Seiko 0740-604
• Seiko 5662-465
• Seiko 0771-509
• Seiko 3822-321
• Seiko 6638-658
• Seiko 7040-165
• Seiko 4495-839