Seiko Cal. 5242 - 877

The 5242-877 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-6ffe8a6cfae2]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

Related Models

• Seiko 7087-606
• Seiko 5255-864
• Seiko 4528-840
• Seiko 0721-235
• Seiko 6349-486
• Seiko 7170-472
• Seiko 6135-965
• Seiko 3894-839
• Seiko 4555-860
• Seiko 6690-344
• Seiko 4438-529
• Seiko 6638-644