Seiko Cal. 6620 - 959

This Hand-Winding model from 1982 features a 44mm Two-Tone case. Powered by the 6620 caliber with 30j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-bf5d5b57ae96]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1982

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