Seiko Cal. 5651 - 761

The 5651-761 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0fd093f46892]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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