Seiko Cal. 5231 - 364

The 5231-364 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-e4244d3add77]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1971

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