Seiko Cal. 6634 - 310

Seiko 6634-310

The Seiko 6634-310 represents an important milestone in Seiko's 1982 lineup. Powered by the 6634 caliber with 30j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-cc7359cc5f7d]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Cream
Jewels
30j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1982

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