Seiko Cal. 4537 - 616

The 4537-616 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-3897c398f249]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

Related Models

• Seiko 6633-643
• Seiko 5695-226
• Seiko 6236-346
• Seiko 5237-811
• Seiko 6683-596
• Seiko 0754-610
• Seiko 5685-434
• Seiko 4537-703
• Seiko 4434-884
• Seiko 4581-936
• Seiko 7070-629
• Seiko 6694-542