Seiko Cal. 6178 - 328

The Seiko 6178-328 represents an important milestone in Seiko's 1989 lineup. Powered by the 6178 caliber with 30j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-f077146e6a1f]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1989

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