Seiko Cal. 5634 - 948

The Seiko 5634-948 represents an important milestone in Seiko's 1998 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-209cad8c76d5]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1998

Related Models

• Seiko 3866-586
• Seiko 4518-614
• Seiko 4590-288
• Seiko 6187-439
• Seiko 4543-468
• Seiko 4431-371
• Seiko 3810-958
• Seiko 5260-379
• Seiko 6113-364
• Seiko 5295-288
• Seiko 6182-558
• Seiko 6124-659