Seiko Cal. 6187 - 931

This Hand-Winding model from 1991 features a 43mm Gold-Plated case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4fb5dd1943a0]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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