Seiko Cal. 6311 - 345

The 6311-345 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6311 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-6a182c919b64]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

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