Seiko Cal. 5685 - 139

The Seiko 5685-139 represents an important milestone in Seiko's 1999 lineup. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-5e82a6e6743e]

Also known as: Monster, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1999

Related Models

• Seiko 7137-758
• Seiko 5218-672
• Seiko 6222-107
• Seiko 4567-606
• Seiko 7165-102
• Seiko 7021-291
• Seiko 4464-301
• Seiko 6334-455
• Seiko 5281-132
• Seiko 7068-532
• Seiko 4422-441
• Seiko 5217-214