Seiko Cal. 6661 - 553

The 6661-553 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-87886bd5dde9]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1970

Related Models

• Seiko 5241-311
• Seiko 3851-648
• Seiko 5643-717
• Seiko 6670-389
• Seiko 5289-631
• Seiko 4436-678
• Seiko 6659-658
• Seiko 7158-278
• Seiko 4579-456
• Seiko 5615-270
• Seiko 3855-724
• Seiko 6334-553