Seiko Cal. 3815 - 613

The 3815-613 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3815 caliber with 35j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-704054d1a4b2]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

Related Models

• Seiko 7087-155
• Seiko 0743-244
• Seiko 6342-927
• Seiko 4484-246
• Seiko 5233-440
• Seiko 7110-758
• Seiko 6366-586
• Seiko 4466-248
• Seiko 7067-382
• Seiko 0733-239
• Seiko 6146-457
• Seiko 4435-890