Seiko Cal. 4538 - 340

The 4538-340 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-d6642eeab649]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

Related Models

• Seiko 7191-892
• Seiko 4441-867
• Seiko 6282-917
• Seiko 5683-964
• Seiko 5261-944
• Seiko 7086-865
• Seiko 4498-950
• Seiko 6166-593
• Seiko 3862-663
• Seiko 5266-245
• Seiko 5616-723
• Seiko 6245-788