Seiko Cal. 6634 - 139

Seiko 6634-139

The Seiko 6634-139 represents an important milestone in Seiko's 1974 lineup. Powered by the 6634 caliber with 31j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-bdb4b54d3e3f]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1974

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