Seiko Cal. 5640 - 244

The 5640-244 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bb3ee82201e4]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1984

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