Seiko Cal. 4412 - 278

Released in 1970, the Cal. 4412 with design code 278 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-4decf9ecf807]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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