Seiko Cal. 5615 - 643

The 5615-643 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-33283a8d1d90]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1991

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