Seiko Cal. 6634 - 150

Seiko 6634-150

The Seiko 6634-150 represents an important milestone in Seiko's 1990 lineup. Powered by the 6634 caliber with 29j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-bd10c4708ed4]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
12.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
70m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1990

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