Seiko Cal. 6633 - 540

The 6633-540 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-085faa232393]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1990

Related Models

• Seiko 3849-446
• Seiko 4477-324
• Seiko 5211-187
• Seiko 5649-639
• Seiko 5277-158
• Seiko 7074-738
• Seiko 6639-156
• Seiko 6181-784
• Seiko 4491-548
• Seiko 4461-635
• Seiko 6354-805
• Seiko 6260-267