Seiko Cal. 3827 - 515

Released in 1977, the Cal. 3827 with design code 515 was part of Seiko's domestic market collection. Powered by the 3827 caliber with 21j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-ae39589bfc25]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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