Seiko Cal. 5644 - 487

Seiko 5644-487

This Kinetic model from 1993 features a 40mm Two-Tone case. Powered by the 5644 caliber with 30j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-9bfbb52aaefb]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1993

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