Seiko Cal. 6635 - 150

The 6635-150 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-0d50ca175438]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1989

Related Models

• Seiko 6127-547
• Seiko 7184-241
• Seiko 6661-921
• Seiko 7052-175
• Seiko 6231-134
• Seiko 6687-663
• Seiko 3874-777
• Seiko 0779-374
• Seiko 4421-259
• Seiko 5227-588
• Seiko 5699-263
• Seiko 6654-951