Seiko Cal. 6635 - 498

Seiko 6635-498

The 6635-498 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6635 caliber with 21j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-bc25041823cb]

Also known as: Turtle, Navigator

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
White
Jewels
21j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1976

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