Seiko Cal. 3898 - 657

The Seiko 3898-657 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-3f37c7d159f2]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1971

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