Seiko Cal. 3813 - 107

The 3813-107 is a sought-after Solar piece from Seiko's golden era. Powered by the 3813 caliber with 23j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-f777c6318032]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1973

Related Models

• Seiko 7014-137
• Seiko 6142-727
• Seiko 4440-162
• Seiko 4441-413
• Seiko 4539-510
• Seiko 5618-367
• Seiko 6132-852
• Seiko 7192-664
• Seiko 6660-577
• Seiko 6368-460
• Seiko 4474-682
• Seiko 0766-622