Seiko Cal. 5654 - 381

The Seiko 5654-381 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-d164208da30a]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1986

Related Models

• Seiko 4530-569
• Seiko 4430-618
• Seiko 6297-573
• Seiko 4436-308
• Seiko 3854-943
• Seiko 4469-806
• Seiko 6673-357
• Seiko 7077-239
• Seiko 6671-411
• Seiko 7047-131
• Seiko 5223-596
• Seiko 4454-445