Seiko Cal. 6243 - 781

The 6243-781 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-1e2f338d0b41]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

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