Seiko Cal. 6156 - 987

The Seiko 6156-987 represents an important milestone in Seiko's 1980 lineup. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-b04e5d44d84f]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1980

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