Seiko Cal. 6228 - 814

This Hand-Winding model from 1966 features a 37mm Two-Tone case. Powered by the 6228 caliber with 25j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-7926f96a6876]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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