Seiko Cal. 5637 - 160

The 5637-160 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5637 caliber with 25j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-35432c254bc3]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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