Seiko Cal. 5687 - 694

The Seiko 5687-694 represents an important milestone in Seiko's 1997 lineup. Powered by the 5687 caliber with 36j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-5637015c363f]

Also known as: Turtle, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1997

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