Seiko Cal. 6189 - 639

The 6189-639 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6189 caliber with 27j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ae1bbfadc947]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1988

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