Seiko Cal. 7138 - 953

The 7138-953 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7138 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-92b3824c65c3]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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