Seiko Cal. 7031 - 851

The Seiko 7031-851 represents an important milestone in Seiko's 1989 lineup. With its 22mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-7165a02f7b83]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

Related Models

• Seiko 0745-895
• Seiko 6119-889
• Seiko 5650-105
• Seiko 7099-358
• Seiko 4478-457
• Seiko 3859-689
• Seiko 6353-774
• Seiko 6611-562
• Seiko 3815-644
• Seiko 6329-680
• Seiko 3885-421
• Seiko 5698-966