Seiko Cal. 7154 - 628

The 7154-628 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7154 caliber with 21j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-2a2787f09e72]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1989

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