Seiko Cal. 7168 - 851

This Spring Drive model from 1975 features a 45mm Titanium case. Powered by the 7168 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-4dd77b3df230]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

Related Models

• Seiko 4479-598
• Seiko 4471-746
• Seiko 7029-569
• Seiko 4452-702
• Seiko 5211-817
• Seiko 4595-670
• Seiko 7028-565
• Seiko 4529-825
• Seiko 6311-257
• Seiko 5622-383
• Seiko 6286-954
• Seiko 7186-846