Seiko Cal. 7156 - 489

The Seiko 7156-489 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-3c45496c9db4]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1988

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