Seiko Cal. 7139 - 661

The Seiko 7139-661 represents an important milestone in Seiko's 1999 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-985411ee782c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1999

Related Models

• Seiko 7164-375
• Seiko 3896-189
• Seiko 7064-887
• Seiko 3891-479
• Seiko 0734-901
• Seiko 5232-224
• Seiko 5213-322
• Seiko 6190-206
• Seiko 6373-951
• Seiko 5613-219
• Seiko 6677-927
• Seiko 6130-821