Seiko Cal. 6655 - 371

The 6655-371 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-6994075b927b]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

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