Seiko Cal. 6381 - 673

The 6381-673 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-913bc9197c98]

Also known as: Turtle, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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