Seiko Cal. 5215 - 121

This Spring Drive model from 1979 features a 40mm Two-Tone case. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-512b7d6bcd7b]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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