Seiko Cal. 3841 - 839

The Seiko 3841-839 represents an important milestone in Seiko's 1987 lineup. Powered by the 3841 caliber with 25j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-5b7c8cb7ecd1]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1987

Related Models

• Seiko 4423-443
• Seiko 6182-216
• Seiko 5291-486
• Seiko 7024-979
• Seiko 6165-756
• Seiko 4570-557
• Seiko 0773-620
• Seiko 3810-469
• Seiko 3840-214
• Seiko 6388-588
• Seiko 5690-599
• Seiko 7113-653