Seiko Cal. 4520 - 735

This Spring Drive model from 1992 features a 38mm Hardlex-Coated Steel case. Powered by the 4520 caliber with 32j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-3f7df0b53894]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1992

Related Models

• Seiko 5635-697
• Seiko 5664-290
• Seiko 0722-139
• Seiko 4536-794
• Seiko 7129-611
• Seiko 5230-472
• Seiko 7085-466
• Seiko 4460-917
• Seiko 3815-920
• Seiko 4470-775
• Seiko 6280-845
• Seiko 7071-666