Seiko Cal. 6148 - 256

Released in 1978, the Cal. 6148 with design code 256 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-92d899720da5]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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