Seiko Cal. 6378 - 967

The 6378-967 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-d48923ba4687]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1985

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