Seiko Cal. 5616 - 423

Released in 1979, the Cal. 5616 with design code 423 was part of Seiko's domestic market collection. Powered by the 5616 caliber with 36j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-cb20743fb5c6]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

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