Seiko Cal. 7188 - 677

The 7188-677 is a sought-after Solar piece from Seiko's golden era. Powered by the 7188 caliber with 31j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-bc914ba66a75]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1985

Related Models

• Seiko 6664-512
• Seiko 6235-462
• Seiko 6178-111
• Seiko 5669-157
• Seiko 4444-230
• Seiko 3811-448
• Seiko 5228-111
• Seiko 7115-518
• Seiko 6280-438
• Seiko 6680-900
• Seiko 7045-707
• Seiko 6644-938