Seiko Cal. 6389 - 538

Seiko 6389-538

This Solar model from 1968 features a 40mm Two-Tone case. Powered by the 6389 caliber with 20j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-af317b93ddb9]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
40mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1968

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