Seiko Cal. 6639 - 705

Seiko 6639-705

The 6639-705 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6639 caliber with 24j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-634e35211b18]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
36mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
24j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1994

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seikata-wm-634e35211b18