Seiko Cal. 3877 - 538

The Seiko 3877-538 represents an important milestone in Seiko's 1978 lineup. Powered by the 3877 caliber with 23j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-bfcbb57dcfea]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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