Seiko Cal. 4431 - 837

Released in 1967, the Cal. 4431 with design code 837 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-45cc0528afd4]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1967

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