Seiko Cal. 3815 - 357

The Seiko 3815-357 represents an important milestone in Seiko's 1976 lineup. Powered by the 3815 caliber with 36j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3c3ce6132485]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

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