Seiko Cal. 6371 - 643

The Seiko 6371-643 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-a865f56b7315]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1969

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