Seiko Cal. 3838 - 505

The 3838-505 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-eae4cbc18331]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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