Seiko Cal. 6687 - 181

The Seiko 6687-181 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-61d53ec25e32]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

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