Seiko Cal. 5681 - 243

The 5681-243 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-05856f6531fd]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

Related Models

• Seiko 6273-994
• Seiko 0751-168
• Seiko 6343-553
• Seiko 4558-529
• Seiko 4410-326
• Seiko 6214-306
• Seiko 5624-288
• Seiko 3841-496
• Seiko 7020-420
• Seiko 6238-375
• Seiko 3838-255
• Seiko 7178-636