Seiko Cal. 3810 - 431

The Seiko 3810-431 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-c6c6d6bc453a]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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