Seiko Cal. 4538 - 630

The 4538-630 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-1317fb008f38]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1986

Related Models

• Seiko 5686-663
• Seiko 7143-514
• Seiko 5222-453
• Seiko 4562-369
• Seiko 4529-954
• Seiko 7134-157
• Seiko 6253-777
• Seiko 5254-497
• Seiko 3863-411
• Seiko 0761-728
• Seiko 5676-394
• Seiko 6180-862