Seiko Cal. 5630 - 548

The Seiko 5630-548 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-977ee522742c]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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