Seiko Cal. 6231 - 143

The Seiko 6231-143 represents an important milestone in Seiko's 1990 lineup. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-4f18c62fdfce]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1990

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