Seiko Cal. 5211 - 155

The 5211-155 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-03ff382cb9f3]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1965

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