Seiko Cal. 4545 - 634

Released in 1984, the Cal. 4545 with design code 634 was part of Seiko's domestic market collection. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-f81d7ef0dcf0]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1984

Related Models

• Seiko 3818-735
• Seiko 7032-350
• Seiko 7190-467
• Seiko 6345-294
• Seiko 6155-307
• Seiko 7038-454
• Seiko 7028-601
• Seiko 6160-303
• Seiko 3810-500
• Seiko 3841-283
• Seiko 7090-956
• Seiko 6681-956