Seiko Cal. 4539 - 325

This Hand-Winding model from 1978 features a 39mm Hardlex-Coated Steel case. Powered by the 4539 caliber with 31j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-e5767d771532]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

Related Models

• Seiko 5282-823
• Seiko 6267-492
• Seiko 6288-487
• Seiko 5213-397
• Seiko 0743-828
• Seiko 5284-930
• Seiko 3899-326
• Seiko 3865-302
• Seiko 4561-264
• Seiko 5628-161
• Seiko 3881-669
• Seiko 6393-966