Seiko Cal. 4531 - 837

The 4531-837 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-37fa48cc6a1e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1968

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