Seiko Cal. 0770 - 211

This Spring Drive model from 1992 features a 37mm Two-Tone case. Powered by the 0770 caliber with 31j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-6affb60b037e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1992

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