Seiko Cal. 5661 - 674

The 5661-674 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-88abec44fb49]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1975

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