Seiko Cal. 5643 - 237

The 5643-237 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1cc59b66c8c5]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

Related Models

• Seiko 7053-891
• Seiko 4426-112
• Seiko 3881-117
• Seiko 6622-418
• Seiko 3891-282
• Seiko 7059-926
• Seiko 0712-705
• Seiko 5621-460
• Seiko 7094-907
• Seiko 4431-867
• Seiko 6178-817
• Seiko 6678-126