Seiko Cal. 5677 - 660

The Seiko 5677-660 represents an important milestone in Seiko's 1997 lineup. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-47ed3b0d63f1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1997

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