Seiko Cal. 7187 - 836

This Hand-Winding model from 1986 features a 41mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-ca16f5537034]

Also known as: Turtle, Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1986

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