Seiko Cal. 6670 - 704

The Seiko 6670-704 represents an important milestone in Seiko's 1972 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-26f73f872735]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

Related Models

• Seiko 5287-131
• Seiko 4510-441
• Seiko 6643-758
• Seiko 4431-242
• Seiko 5669-252
• Seiko 4427-234
• Seiko 6130-914
• Seiko 5294-576
• Seiko 4481-689
• Seiko 6633-213
• Seiko 3818-908
• Seiko 7072-156