Seiko Cal. 6144 - 280

Released in 1977, the Cal. 6144 with design code 280 was part of Seiko's domestic market collection. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4ff0ce47b2a5]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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