Seiko Cal. 4447 - 691

Seiko 4447-691

The 4447-691 is a sought-after Quartz piece from Seiko's golden era. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-f7c9a502e9d1]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1971

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