Seiko Cal. 0777 - 231

The 0777-231 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-bf5d1e533480]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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