Seiko Cal. 0770 - 542

The Seiko 0770-542 represents an important milestone in Seiko's 1984 lineup. Powered by the 0770 caliber with 23j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-108eb1efbda6]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1984

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