Seiko Cal. 3813 - 275

Released in 1987, the Cal. 3813 with design code 275 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-3375842278bc]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1987

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