Seiko Cal. 6637 - 401

The 6637-401 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-1eceb6ee72de]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1999

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