Seiko Cal. 6636 - 454

The 6636-454 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-83a94e9ea53e]

Also known as: Pogue, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

Related Models

• Seiko 6223-940
• Seiko 3893-655
• Seiko 5671-451
• Seiko 4461-486
• Seiko 3890-444
• Seiko 6269-735
• Seiko 7131-126
• Seiko 6325-712
• Seiko 6142-923
• Seiko 6639-609
• Seiko 5688-193
• Seiko 3814-442