Seiko Cal. 5630 - 437

This Quartz model from 1975 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-aa7006aedcc0]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

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