Seiko Cal. 6637 - 575

This Hand-Winding model from 1971 features a 44mm PVD Black case. It features a Burgundy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-a00cb4f55ae0]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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