Seiko Cal. 6138 - 905

The 6138-905 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-f894b5895680]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1985

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