Seiko Cal. 3861 - 401

This Automatic model from 1970 features a 43mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-2767712dd623]

Also known as: Panda, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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