Seiko Cal. 4521 - 686

The 4521-686 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-5c36f7340819]

Also known as: Turtle, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1985

Related Models

• Seiko 0739-195
• Seiko 6323-612
• Seiko 4456-976
• Seiko 0711-663
• Seiko 6146-349
• Seiko 4594-887
• Seiko 3872-261
• Seiko 7177-184
• Seiko 6119-311
• Seiko 3814-991
• Seiko 7145-133
• Seiko 6623-531