Seiko Cal. 3865 - 243

The 3865-243 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3865 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-7585f15a72ae]

Also known as: Bellmatic, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

Related Models

• Seiko 4535-930
• Seiko 6693-815
• Seiko 3832-215
• Seiko 6635-359
• Seiko 0730-612
• Seiko 6127-353
• Seiko 6687-258
• Seiko 7093-933
• Seiko 7158-724
• Seiko 3817-479
• Seiko 6128-939
• Seiko 3893-984