Seiko Cal. 5661 - 374

The 5661-374 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-82fd0ae90fbe]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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