Seiko Cal. 6315 - 203

The 6315-203 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-7cb01be05a3d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1970

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