Seiko Cal. 6154 - 577

The Seiko 6154-577 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bfe459163b46]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

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