Seiko Cal. 6380 - 645

The Seiko 6380-645 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-961af563384a]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1973

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