Seiko Cal. 6371 - 931

The 6371-931 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-68917ce63b76]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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