Seiko Cal. 5231 - 221

The Seiko 5231-221 represents an important milestone in Seiko's 1997 lineup. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-622e745a00a6]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1997

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