Seiko Cal. 5649 - 261

The 5649-261 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5fdb498cd60d]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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