Seiko Cal. 5646 - 461

The Seiko 5646-461 represents an important milestone in Seiko's 1975 lineup. Powered by the 5646 caliber with 28j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-e95a29030d67]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

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