Seiko Cal. 5641 - 328

The 5641-328 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-d5de0358b6d3]

Also known as: Shogun, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1983

Related Models

• Seiko 0718-401
• Seiko 5669-827
• Seiko 7091-599
• Seiko 4462-164
• Seiko 6387-100
• Seiko 5626-946
• Seiko 7020-145
• Seiko 6331-679
• Seiko 7066-992
• Seiko 5222-285
• Seiko 6224-661
• Seiko 3842-527