Seiko Cal. 0770 - 507

The Seiko 0770-507 represents an important milestone in Seiko's 1999 lineup. Powered by the 0770 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-a285978ceaf1]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1999

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