Seiko Cal. 5240 - 104

The 5240-104 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5ab1826b6f05]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

Related Models

• Seiko 6613-871
• Seiko 4477-459
• Seiko 7187-124
• Seiko 6666-511
• Seiko 5288-246
• Seiko 6395-692
• Seiko 6342-903
• Seiko 7083-683
• Seiko 6367-756
• Seiko 6158-995
• Seiko 0749-328
• Seiko 5646-427