Seiko Cal. 6634 - 498

Seiko 6634-498

The Seiko 6634-498 represents an important milestone in Seiko's 1981 lineup. Powered by the 6634 caliber with 31j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-fb3b5dfc8220]

Also known as: Monster

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1981

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