Seiko Cal. 5628 - 304

The 5628-304 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5628 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-feca07cf9468]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1982

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