Seiko Cal. 7154 - 577

The 7154-577 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7154 caliber with 23j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-63ec62dc1f74]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

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