Seiko Cal. 6370 - 856

Released in 1973, the Cal. 6370 with design code 856 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-c75cd3ac2f15]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

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