Seiko Cal. 3810 - 645

The Seiko 3810-645 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-53f052e71628]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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