Seiko Cal. 4538 - 437

The 4538-437 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4538 caliber with 24j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-5abd1e8a6137]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1992

Related Models

• Seiko 6366-262
• Seiko 5252-963
• Seiko 0760-815
• Seiko 5650-417
• Seiko 3856-676
• Seiko 0725-121
• Seiko 6214-632
• Seiko 6161-728
• Seiko 3861-926
• Seiko 4442-352
• Seiko 7046-779
• Seiko 7173-896