Seiko Cal. 6139 - 861

The Seiko 6139-861 represents an important milestone in Seiko's 1975 lineup. Powered by the 6139 caliber with 32j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c0924bc8bbc8]

Also known as: Turtle, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1975

Related Models

• Seiko 6284-837
• Seiko 3822-307
• Seiko 0722-392
• Seiko 5646-976
• Seiko 7018-360
• Seiko 6644-551
• Seiko 3846-999
• Seiko 6613-328
• Seiko 6291-742
• Seiko 6265-286
• Seiko 3842-176
• Seiko 4544-489