Seiko Cal. 6690 - 673

The Seiko 6690-673 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-534dca64faf3]

Also known as: Shogun, Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

Related Models

• Seiko 6313-350
• Seiko 6246-618
• Seiko 6299-627
• Seiko 5238-609
• Seiko 3852-612
• Seiko 5655-859
• Seiko 4557-471
• Seiko 6254-248
• Seiko 6220-869
• Seiko 7192-370
• Seiko 4448-795
• Seiko 0741-235