Seiko Cal. 4537 - 752

Seiko 4537-752

The Seiko 4537-752 represents an important milestone in Seiko's 1989 lineup. Powered by the 4537 caliber with 25j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-fad952f8e468]

Also known as: Baby Tuna, Emperor

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Burgundy
Jewels
25j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1989

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