Seiko Cal. 5644 - 982

The 5644-982 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5644 caliber with 30j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-8c74ed2af54d]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1981

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