Seiko Cal. 6664 - 556

The 6664-556 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-62182f896fe1]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1980

Related Models

• Seiko 5252-248
• Seiko 3841-630
• Seiko 7098-400
• Seiko 0767-396
• Seiko 0772-366
• Seiko 6372-224
• Seiko 4568-986
• Seiko 6127-250
• Seiko 5245-262
• Seiko 6132-856
• Seiko 3892-658
• Seiko 6674-301