Seiko Cal. 6131 - 842

The 6131-842 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-374ac3fbf5f8]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1965

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