Seiko Cal. 6344 - 638

The 6344-638 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-ee3fbb87342c]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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