Seiko Cal. 5616 - 714

This Spring Drive model from 1980 features a 42mm Two-Tone case. Powered by the 5616 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-b047abd7ab95]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1980

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