Seiko Cal. 6677 - 770

The 6677-770 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-93506e74ad17]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

Related Models

• Seiko 5659-329
• Seiko 4492-714
• Seiko 6317-579
• Seiko 6670-473
• Seiko 7097-870
• Seiko 5296-798
• Seiko 6147-949
• Seiko 4510-737
• Seiko 6350-720
• Seiko 6367-879
• Seiko 6271-598
• Seiko 6687-616