Seiko Cal. 3897 - 285

The Seiko 3897-285 represents an important milestone in Seiko's 1998 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-6b4dd33a3de3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1998

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