Seiko Cal. 5687 - 900

The Seiko 5687-900 represents an important milestone in Seiko's 1995 lineup. Powered by the 5687 caliber with 30j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-4c92ac230b6b]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1995

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