Seiko Cal. 5616 - 421

The Seiko 5616-421 represents an important milestone in Seiko's 1983 lineup. Powered by the 5616 caliber with 31j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-db6001e6a2bb]

Also known as: Monster, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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