Seiko Cal. 7181 - 878

The 7181-878 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-54367190a82e]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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