Seiko Cal. 6691 - 584

The Seiko 6691-584 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-09bba72651dc]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

Related Models

• Seiko 4414-963
• Seiko 3822-571
• Seiko 4464-700
• Seiko 3852-318
• Seiko 6249-629
• Seiko 4449-460
• Seiko 7167-664
• Seiko 4561-860
• Seiko 4586-826
• Seiko 7051-550
• Seiko 4535-869
• Seiko 6125-105