Seiko Cal. 6616 - 445

The Seiko 6616-445 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-a7d1ee1323eb]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1973

Related Models

• Seiko 6137-188
• Seiko 4577-227
• Seiko 6624-446
• Seiko 4575-584
• Seiko 6285-526
• Seiko 0730-567
• Seiko 7012-100
• Seiko 7047-386
• Seiko 6211-547
• Seiko 7014-435
• Seiko 6150-846
• Seiko 4435-785