Seiko Cal. 7156 - 821

The Seiko 7156-821 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-39f828ae1dc3]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1983

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