Seiko Cal. 7178 - 644

The Seiko 7178-644 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-69ecb2ab50ef]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1989

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