Seiko Cal. 7187 - 555

The 7187-555 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-af0feb77e4e9]

Also known as: Turtle, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1970

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