Seiko Cal. 5651 - 871

The 5651-871 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-38364252fd50]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1976

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