Seiko Cal. 6630 - 247

The 6630-247 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-28a89f854562]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1988

Related Models

• Seiko 0778-527
• Seiko 6656-378
• Seiko 6292-473
• Seiko 5295-794
• Seiko 7153-387
• Seiko 5232-135
• Seiko 4554-979
• Seiko 5669-143
• Seiko 4487-223
• Seiko 7028-879
• Seiko 3834-660
• Seiko 4452-682