Seiko Cal. 4495 - 640

Seiko 4495-640

The 4495-640 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4495 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-5796ec2baa4c]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1991

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