Seiko Cal. 5687 - 804

The Seiko 5687-804 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-91ec6b3c1e4a]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

Related Models

• Seiko 6620-111
• Seiko 7083-163
• Seiko 7075-753
• Seiko 6641-100
• Seiko 6350-867
• Seiko 6639-337
• Seiko 0791-956
• Seiko 6236-552
• Seiko 6212-275
• Seiko 6179-552
• Seiko 4431-514
• Seiko 6240-785