Seiko Cal. 3827 - 425

The Seiko 3827-425 represents an important milestone in Seiko's 1974 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9d79eb243c0b]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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