Seiko Cal. 6612 - 991

The 6612-991 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-0ac2cc427b97]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1999

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