Seiko Cal. 6661 - 153

The 6661-153 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ab4eb13f41bb]

Also known as: Tuna, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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