Seiko Cal. 7155 - 820

The Seiko 7155-820 represents an important milestone in Seiko's 1993 lineup. Powered by the 7155 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-570937186ac2]

Also known as: Silverwave, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1993

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