Seiko Cal. 6633 - 752

Released in 1966, the Cal. 6633 with design code 752 was part of Seiko's domestic market collection. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-faf6edfe4648]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

Related Models

• Seiko 6273-748
• Seiko 6645-582
• Seiko 5282-824
• Seiko 0747-912
• Seiko 7152-811
• Seiko 6167-182
• Seiko 6325-794
• Seiko 7124-861
• Seiko 6184-492
• Seiko 7025-592
• Seiko 6152-909
• Seiko 7180-128