Seiko Cal. 7154 - 623

The Seiko 7154-623 represents an important milestone in Seiko's 1988 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0e220520e7fc]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1988

Related Models

• Seiko 6328-474
• Seiko 4559-337
• Seiko 4581-160
• Seiko 6243-848
• Seiko 5296-566
• Seiko 6262-526
• Seiko 0742-855
• Seiko 0790-473
• Seiko 6213-550
• Seiko 4459-852
• Seiko 7085-685
• Seiko 5666-953