Seiko Cal. 6647 - 316

Released in 1985, the Cal. 6647 with design code 316 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-efa99de71886]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1985

Related Models

• Seiko 6119-485
• Seiko 6637-518
• Seiko 4589-732
• Seiko 4458-443
• Seiko 6155-498
• Seiko 4431-146
• Seiko 7150-337
• Seiko 6142-917
• Seiko 6634-627
• Seiko 5298-398
• Seiko 4431-943
• Seiko 0713-952