Seiko Cal. 3843 - 331

Released in 1977, the Cal. 3843 with design code 331 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-f76bf5ff4b81]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1977

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