Seiko Cal. 5671 - 344

This Spring Drive model from 1966 features a 37mm PVD Black case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-3daa71b573d4]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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