Seiko Cal. 6639 - 145

Seiko 6639-145

This Solar model from 1991 features a 44mm Two-Tone case. Powered by the 6639 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-1b579b1a086e]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
44mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Burgundy
Jewels
24j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1991

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