Seiko Cal. 4564 - 240

The Seiko 4564-240 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-61556bada6e5]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

Related Models

• Seiko 4415-721
• Seiko 6275-393
• Seiko 4518-777
• Seiko 4518-903
• Seiko 6120-795
• Seiko 6238-352
• Seiko 3863-835
• Seiko 5618-331
• Seiko 6644-269
• Seiko 4465-663
• Seiko 6288-401
• Seiko 6118-183