Seiko Cal. 3897 - 638

The Seiko 3897-638 represents an important milestone in Seiko's 1999 lineup. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-677536e79754]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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