Seiko Cal. 7139 - 841

The 7139-841 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7139 caliber with 20j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-59cf5df467f9]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1994

Related Models

• Seiko 4462-587
• Seiko 6133-946
• Seiko 4482-603
• Seiko 6122-448
• Seiko 7020-636
• Seiko 3835-818
• Seiko 6694-912
• Seiko 6628-949
• Seiko 6639-549
• Seiko 5610-426
• Seiko 6638-555
• Seiko 6236-845