Seiko Cal. 7077 - 641

The Seiko 7077-641 represents an important milestone in Seiko's 1992 lineup. Powered by the 7077 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-66da34d9fd71]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1992

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