Seiko Cal. 5687 - 801

The 5687-801 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5687 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-19cc6b7dc3a1]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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