Seiko Cal. 5237 - 427

The 5237-427 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-6fc5df493be4]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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