Seiko Cal. 4537 - 900

Seiko 4537-900

This Automatic model from 1982 features a 36mm Hardlex-Coated Steel case. Powered by the 4537 caliber with 18j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-cbc401d4efbb]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1982

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