Seiko Cal. 5638 - 503

Seiko 5638-503

This Quartz model from 1986 features a 42mm Two-Tone case. Powered by the 5638 caliber with 27j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c86b5bb8caad]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1986

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