Seiko Cal. 0770 - 380

This Automatic model from 1972 features a 38mm PVD Black case. Powered by the 0770 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-1993bfeba268]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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