Seiko Cal. 6138 - 533

The 6138-533 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6138 caliber with 27j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-5313b6e7f430]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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