Seiko Cal. 4536 - 882

This Hand-Winding model from 1991 features a 37mm Stainless Steel case. Powered by the 4536 caliber with 22j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-9104b25b26e5]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

Related Models

• Seiko 6640-700
• Seiko 6195-341
• Seiko 6138-345
• Seiko 7033-649
• Seiko 3899-549
• Seiko 7024-899
• Seiko 7051-368
• Seiko 3845-711
• Seiko 6264-311
• Seiko 5230-930
• Seiko 6676-605
• Seiko 7169-100