Seiko Cal. 6178 - 488

This Spring Drive model from 1998 features a 40mm Gold-Plated case. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-0316aa520c08]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1998

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