Seiko Cal. 4454 - 741

The 4454-741 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4454 caliber with 27j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-28d41a19e58b]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1967

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