Seiko Cal. 6156 - 577

The Seiko 6156-577 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-e6acf70ecca6]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1981

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