Seiko Cal. 6618 - 991

The 6618-991 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-7d9123916e3e]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1974

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