Seiko Cal. 7180 - 231

The Seiko 7180-231 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-22a327fc46da]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1991

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