Seiko Cal. 7023 - 536

The 7023-536 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-431e11dbd2f5]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

Related Models

• Seiko 7017-745
• Seiko 3894-685
• Seiko 6386-738
• Seiko 6258-689
• Seiko 7166-822
• Seiko 6378-417
• Seiko 6363-200
• Seiko 7087-815
• Seiko 6248-913
• Seiko 6661-280
• Seiko 0710-146
• Seiko 3831-636