Seiko Cal. 4531 - 637

The 4531-637 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-eb954fd89aa6]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1966

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