Seiko Cal. 5665 - 828

The 5665-828 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5665 caliber with 19j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-da96ab234ae3]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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