Seiko Cal. 0721 - 237

The Seiko 0721-237 represents an important milestone in Seiko's 1986 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-2da7efcb43e2]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1986

Related Models

• Seiko 5622-452
• Seiko 5235-312
• Seiko 3889-306
• Seiko 4591-846
• Seiko 6233-810
• Seiko 5275-689
• Seiko 7075-624
• Seiko 4521-582
• Seiko 7168-649
• Seiko 7023-218
• Seiko 4511-832
• Seiko 0785-169