Seiko Cal. 5231 - 201

The 5231-201 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-7e13c90444da]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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