Seiko Cal. 6139 - 251

The Seiko 6139-251 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2f8d61d1ff87]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1998

Related Models

• Seiko 4468-622
• Seiko 6366-224
• Seiko 6341-367
• Seiko 0733-435
• Seiko 7154-651
• Seiko 4431-481
• Seiko 5679-876
• Seiko 4454-354
• Seiko 7184-699
• Seiko 5646-127
• Seiko 3825-795
• Seiko 6153-155