Seiko Cal. 4539 - 499

Seiko 4539-499

The Seiko 4539-499 represents an important milestone in Seiko's 1978 lineup. Powered by the 4539 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-8ca3ad34d8ea]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1978

Related Models

seikata-wm-8ca3ad34d8ea