Seiko Cal. 3854 - 377

The Seiko 3854-377 represents an important milestone in Seiko's 1975 lineup. Powered by the 3854 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-1688dca9071b]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1975

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