Seiko Cal. 4531 - 638

Seiko 4531-638

This Automatic model from 1996 features a 41mm Two-Tone case. Powered by the 4531 caliber with 27j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f671b8955f5b]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
80m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1996

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