Seiko Cal. 7121 - 263

This Quartz model from 1977 features a 35mm PVD Black case. Powered by the 7121 caliber with 23j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-d0358695ddb6]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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