Seiko Cal. 6381 - 940

The 6381-940 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-0fb28ea8f282]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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