Seiko Cal. 6687 - 453

The Seiko 6687-453 represents an important milestone in Seiko's 1991 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d913f2a8203f]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1991

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