Seiko Cal. 5615 - 437

The Seiko 5615-437 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-1fe46ba8e38e]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1980

Related Models

• Seiko 7098-209
• Seiko 7060-690
• Seiko 5618-150
• Seiko 6326-801
• Seiko 5229-252
• Seiko 6334-562
• Seiko 6672-120
• Seiko 5280-352
• Seiko 3837-707
• Seiko 7160-363
• Seiko 0730-616
• Seiko 3816-966