Seiko Cal. 3857 - 997

The Seiko 3857-997 represents an important milestone in Seiko's 1982 lineup. It features a Cream dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-e581b95b1562]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1982

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