Seiko Cal. 5690 - 256

The 5690-256 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-3ad09e566c68]

Also known as: Turtle, Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1969

Related Models

• Seiko 4546-906
• Seiko 3899-604
• Seiko 7032-999
• Seiko 6687-555
• Seiko 5645-985
• Seiko 7015-164
• Seiko 3874-189
• Seiko 7186-510
• Seiko 0761-398
• Seiko 6312-755
• Seiko 6388-866
• Seiko 5294-575