Seiko Cal. 3821 - 591

Released in 1979, the Cal. 3821 with design code 591 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-86f49fbc67ca]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1979

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