Seiko Cal. 7156 - 604

The Seiko 7156-604 represents an important milestone in Seiko's 1987 lineup. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-7863cdaa43c4]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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