Seiko Cal. 5637 - 228

The 5637-228 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-d94912b5bdd9]

Also known as: Samurai, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1999

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