Seiko Cal. 6647 - 172

This Quartz model from 1969 features a 43mm Titanium case. Powered by the 6647 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-d768386b77ca]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

Related Models

• Seiko 5625-891
• Seiko 3832-520
• Seiko 6696-342
• Seiko 7016-511
• Seiko 7062-977
• Seiko 6111-890
• Seiko 6266-407
• Seiko 5686-439
• Seiko 7022-737
• Seiko 5265-343
• Seiko 0784-832
• Seiko 6217-753