Seiko Cal. 5631 - 148

The 5631-148 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5631 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-797e47d44f91]

Also known as: Pogue, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1996

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