Seiko Cal. 6649 - 252

This Hand-Winding model from 1977 features a 39mm PVD Black case. Powered by the 6649 caliber with 29j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-3001e5c5c805]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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