Seiko Cal. 5211 - 507

This Spring Drive model from 1977 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-42f9524b7065]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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