Seiko Cal. 4470 - 394

The 4470-394 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-456e4fc50ad9]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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