Seiko Cal. 3874 - 603

Released in 1969, the Cal. 3874 with design code 603 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-7ace579cfdc3]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1969

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