Seiko Cal. 3857 - 437

The Seiko 3857-437 represents an important milestone in Seiko's 1991 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ab40bc57d4b3]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1991

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