Seiko Cal. 7178 - 899

This Spring Drive model from 1970 features a 42mm Gold-Plated case. Powered by the 7178 caliber with 31j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ed7b14655927]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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