Seiko Cal. 3841 - 927

The 3841-927 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4fd9aa59ca82]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

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