Seiko Cal. 5631 - 367

The 5631-367 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-f1763ea17c88]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1994

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