Seiko Cal. 3854 - 437

The 3854-437 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3854 caliber with 30j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-f9e747ea2cdf]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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