Seiko Cal. 6158 - 913

The 6158-913 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-51c60ceb1cd4]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

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