Seiko Cal. 3813 - 681

Released in 1994, the Cal. 3813 with design code 681 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-ae7ea784fab8]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1994

Related Models

• Seiko 4448-668
• Seiko 5225-917
• Seiko 4447-839
• Seiko 5249-749
• Seiko 6320-901
• Seiko 6224-500
• Seiko 5681-286
• Seiko 7187-481
• Seiko 0712-751
• Seiko 4574-182
• Seiko 6227-127
• Seiko 7056-771