Seiko Cal. 3865 - 139

The 3865-139 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3865 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-e88129c7e923]

Also known as: Rally, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1983

Related Models

• Seiko 6230-118
• Seiko 5275-944
• Seiko 6338-810
• Seiko 7191-355
• Seiko 6613-763
• Seiko 3877-684
• Seiko 4598-118
• Seiko 7184-450
• Seiko 6363-114
• Seiko 0724-788
• Seiko 7068-298
• Seiko 0754-970