Seiko Cal. 7021 - 870

This Hand-Winding model from 1987 features a 46mm Two-Tone case. Powered by the 7021 caliber with 17j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-fdd868f98c5d]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1987

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