Seiko Cal. 7131 - 328

The Seiko 7131-328 represents an important milestone in Seiko's 1993 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1b8cb5cb2229]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1993

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