Seiko Cal. 5688 - 448

Released in 1980, the Cal. 5688 with design code 448 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-adec5dab2c12]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

Related Models

• Seiko 5641-178
• Seiko 4598-573
• Seiko 6116-228
• Seiko 6666-373
• Seiko 5676-390
• Seiko 3841-954
• Seiko 0789-887
• Seiko 7018-429
• Seiko 7153-332
• Seiko 0799-946
• Seiko 6329-937
• Seiko 6114-882