Seiko Cal. 3821 - 277

This Spring Drive model from 1985 features a 43mm Two-Tone case. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-f20bda5ce290]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1985

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